On Mar 6, 2014, at 8:24 PM, Roy Smith <[email protected]> wrote: > In article <[email protected]>, > Dennis Lee Bieber <[email protected]> wrote: > >> On 06 Mar 2014 02:51:54 GMT, [email protected] (Albert van der >> Horst) declaimed the following: >> >>> In article <[email protected]>, >>> Roy Smith <[email protected]> wrote: >>>> In article <[email protected]>, >>>> Grant Edwards <[email protected]> wrote: >>>> >>>>> On 2014-02-13, Dennis Lee Bieber <[email protected]> wrote: >>>>> >>>>>> An S-100 wire-wrap board. >>>>> >>>>> Yup, been there done that! >>>> >>>> Never did S-100, but I did do a custom Unibus card (wirewrap). >>>> >>>> You know you're working with a Real Computer (tm) when the +5V power >>>> supply can deliver as much current as an arc welder. >>> >>> I've a 64 node Parsytec transputer system in the hall way with >>> dual 5V 100A power supplies. Does that count? >> >> I spotted a device on the table of the company calibration office... >> >> As I recall, it was a 100A capable resistor... 0.10 OHM. >> >> No idea what it was meant for; big binding posts at one end, and a slab >> of sheet steel in a "W" shape (smooth curves, not sharp bends). > > External shunt for an ammeter? >
More likely a dummy load for power supply testing. (Normally, ammeter shunts are sized to dissipate as little power as possible.) -Bill -- https://mail.python.org/mailman/listinfo/python-list
